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1 - INSTALLATION AND COMMISSIONING
1.3.2.3 - G.703 2 Mbit/s Synchronization port
"SYNC" Interface
Ports
Bit rate
Impedance
Connector
Pin N°
1
2
3
4
5
NOTA : The shielding of the connector case is connected to the subrack front panel ground
1.3.2.4 - G.703, 21 x 2 Mbit/s traffic port
"E1 INPUT" and "E1 OUTPUT" Interface
ports
Bit rate
Code
Impedance
Connector
This interface uses two connectors : E1 INPUT connector for inputs (named RX) and
E1 OUTPUT connector for outputs (named TX)
Installation and User Guide - N56717020101
Page A1-10
No reproduction or communication without the written consent of SAGEM SA
Two G.703 2MHz external synchronization inputs (T3) and one G.703 2MHz
clock output (T4) compliant with ITU-T G.703 Recommendation
(§ 10.3 for input port, § tab.10 for output port)
2,048 Mbit/s ± 50 ppm,
120 Ω balanced,
Female 9-way HE5 (120 Ω).
5
9
Signal name
GND
6
TX1 RING (T4-)
TX1 TIP (T4+)
7
RX2 TIP (T3+)
RX1 TIP (T3+)
8
RX1 RING (T3-)
RX2 RING (T3-)
9
NC
NC
21 x 2 Mbit/s traffic ports compliant with the ITU-T G.703 Recommendation
(§ 6.3 for input port, § tab.6 for output port)
2,048 Mbit/s ± 50 ppm,
HDB3,
120 Ω balanced,
SUB D HD female 44 pins supporting L907 cable (21 ports).
15
30
44
1
6
Comments
Ground
Output T4-1 (cold point)
Output T4-1 (hot point)
Input T3-2 (hot point)
Input T3-1 (hot point)
Input T3-1 (cold point)
Input T3-2 (cold point)
Reserved
Reserved
1
16
31
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